Home / 988,586.60-1,482,879.90-922,231.40

Finding the Fourth Proportional to 988,586.60, 1,482,879.90 and 922,231.40

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Solution

The fourth proportional to 988,586.60, 1,482,879.90 and 922,231.40 is: 1,383,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,586.60 : 1,482,879.90 = 922,231.40 : x
  2. Step 2: Convert to fraction form
    988,586.60/1,482,879.90 = 922,231.40/x
  3. Step 3: Cross multiply
    988,586.60x = 1,482,879.90 × 922,231.40
  4. Step 4: Simplify right side
    988,586.60x = 1,367,558,406,208.86
  5. Step 5: Solve for x
    x = 1,367,558,406,208.86/988,586.60
  6. Step 6: Final answer
    x = 1,383,347.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.